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275040473 = 1015574889
BaseRepresentation
bin10000011001001…
…100100011011001
3201011112111121012
4100121030203121
51030402243343
643143023305
76546543161
oct2031144331
9634474535
10275040473
11131286a84
127813ab35
1344c9c156
14287575a1
151922d718
hex1064c8d9

275040473 has 8 divisors (see below), whose sum is σ = 278319240. Its totient is φ = 271772800.

The previous prime is 275040461. The next prime is 275040511. The reversal of 275040473 is 374040572.

It can be written as a sum of positive squares in 4 ways, for example, as 74166544 + 200873929 = 8612^2 + 14173^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 275040473 - 210 = 275039449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275040413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53813 + ... + 58701.

It is an arithmetic number, because the mean of its divisors is an integer number (34789905).

Almost surely, 2275040473 is an apocalyptic number.

It is an amenable number.

275040473 is a deficient number, since it is larger than the sum of its proper divisors (3278767).

275040473 is a wasteful number, since it uses less digits than its factorization.

275040473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5547.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 275040473 is about 16584.3442137457. The cubic root of 275040473 is about 650.3276241866.

Subtracting 275040473 from its reverse (374040572), we obtain a palindrome (99000099).

The spelling of 275040473 in words is "two hundred seventy-five million, forty thousand, four hundred seventy-three".

Divisors: 1 101 557 4889 56257 493789 2723173 275040473